| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 53 | 1.019,14 | 19,23 | 1 |
| 2009 | 8 | 97,82 | 12,23 | 1 |
| 2010 | 13 | 146,79 | 11,29 | 1 |
| 2012 | 18 | 249,18 | 13,84 | 1 |
| 2013 | 17 | 240,93 | 14,17 | 1 |
| 2014 | 16 | 281,83 | 17,61 | 1 |
| 2015 | 12 | 224,09 | 18,67 | 1 |
| 2016 | 12 | 215,00 | 17,92 | 1 |
| 2017 | 10 | 161,56 | 16,16 | 1 |
| 2018 | 11 | 148,32 | 13,48 | 1 |
| 2019 | 10 | 152,99 | 15,30 | 1 |
| 2020 | 8 | 134,36 | 16,80 | 1 |
| 2021 | 9 | 146,05 | 16,23 | 1 |
| 2022 | 12 | 162,99 | 13,58 | 1 |
| 2023 | 8 | 110,48 | 13,81 | 1 |
| 2024 | 13 | 162,85 | 12,53 | 2 |
| totale | 230 | 3.654,38 | 15,89 | 17 |